net.sf.tweety.agents.dialogues.structured

Interface UtilityFunction

All Known Implementing Classes:

CountingUtilityFunction, IndicatorUtilityFunction, MultipleIndicatorUtilityFunction

public interface UtilityFunction

This interface models an utility function, i.e. a function that maps sets of propositions to an integer and thus ranking sets of propositions.

Author:

Matthias Thimm

Method Summary

Modifier and Type	Method and Description
int	rank(java.util.Collection<? extends Proposition> propositions) Rank the given collection of propositions.

Method Detail

rank

int rank(java.util.Collection<? extends Proposition> propositions)

Rank the given collection of propositions. A set S is preferred to a set T if rank(S)>rank(T).

Parameters:

propositions - a collection of propositions.

Returns:

the rank of the given collection.